I meet the same issue as below: 
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[root@tempest-heat ansible]# ansible-playbook -i ~/multinode -e @/etc/kolla/defaults.yml -e @/etc/kolla/globals.yml -e @/etc/kolla/passwords.yml site.yml --tags glance

PLAY [glance] *****************************************************************

GATHERING FACTS ***************************************************************
ok: [OL71-NDB1]

TASK: [common | Starting container(s)] ****************************************
ok: [OL71-NDB1]

TASK: [common | Starting PID container(s)] ************************************
skipping: [OL71-NDB1]

TASK: [glance | Creating the Glance service and endpoint] *********************
changed: [OL71-NDB1]

TASK: [glance | Creating the Glance project, user, and role] ******************
changed: [OL71-NDB1]

TASK: [glance | Ensuring templates config directory exists] *******************
ok: [OL71-NDB1]

TASK: [glance | Ensuring config directory exists] *****************************
ok: [OL71-NDB1]

TASK: [glance | Copying over config(s)] ***************************************
ok: [OL71-NDB1] => (item=['roles/glance/templates/glance-registry.conf.j2', u'/usr/share/kolla/templates/glance-registry/glance.conf_minimal'])
ok: [OL71-NDB1] => (item=['/etc/kolla/config/global.conf', u'/usr/share/kolla/templates/glance-registry/glance.conf_global'])
ok: [OL71-NDB1] => (item=['/etc/kolla/config/database.conf', u'/usr/share/kolla/templates/glance-registry/glance.conf_database'])
ok: [OL71-NDB1] => (item=['/etc/kolla/config/glance.conf', u'/usr/share/kolla/templates/glance-registry/glance.conf_augment'])
ok: [OL71-NDB1] => (item=['/etc/kolla/config/glance/glance-registry.conf', u'/usr/share/kolla/templates/glance-registry/glance-registry.conf_augment'])

TASK: [glance | Merging the config files and saving to the final destination] ***
ok: [OL71-NDB1]

TASK: [glance | Ensuring templates config directory exists] *******************
ok: [OL71-NDB1]

TASK: [glance | Ensuring config directory exists] *****************************
ok: [OL71-NDB1]

TASK: [glance | Copying over config(s)] ***************************************
changed: [OL71-NDB1] => (item=['roles/glance/templates/glance-api.conf.j2', u'/usr/share/kolla/templates/glance-api/glance.conf_minimal'])
ok: [OL71-NDB1] => (item=['/etc/kolla/config/global.conf', u'/usr/share/kolla/templates/glance-api/glance.conf_global'])
ok: [OL71-NDB1] => (item=['/etc/kolla/config/database.conf', u'/usr/share/kolla/templates/glance-api/glance.conf_database'])
ok: [OL71-NDB1] => (item=['/etc/kolla/config/messaging.conf', u'/usr/share/kolla/templates/glance-api/glance.conf_messaging'])
ok: [OL71-NDB1] => (item=['/etc/kolla/config/glance.conf', u'/usr/share/kolla/templates/glance-api/glance.conf_augment'])
ok: [OL71-NDB1] => (item=['/etc/kolla/config/glance/glance-api.conf', u'/usr/share/kolla/templates/glance-api/glance-api.conf_augment'])

TASK: [glance | Merging the config files and saving to the final destination] ***
changed: [OL71-NDB1]

TASK: [glance | Creating Glance database] *************************************
changed: [OL71-NDB1]

TASK: [glance | Creating Glance database user and setting permissions] ********
changed: [OL71-NDB1]

TASK: [glance | Starting Glance data container] *******************************
changed: [OL71-NDB1]

TASK: [glance | Starting Glance bootstrap container] **************************
changed: [OL71-NDB1]

TASK: [glance | Waiting for bootstrap container to exit] **********************
================
 the ansible hangs at the last line.